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authorHaitao Li <[email protected]>2011-07-28 19:25:55 +0800
committerHaitao Li <[email protected]>2011-07-31 17:41:41 +0800
commit3306c4fefc33db95d04d432af2d0d1abecfaa4f2 (patch)
tree94a31827fdbcb6832e77e7e223b003fca0048048 /lib/ic/doc
parent68bbc078508ae4781844f3f0999cb2c5487d8c5c (diff)
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ic: Implement multiple include optimization
Like C header files, IDL files are often macro guarded to avoid opening and processing the same file repeatedly. This patch implements the algorithm used by GNU cpp as described at: http://gcc.gnu.org/onlinedocs/cppinternals/Guard-Macros.html
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